UID: 23493, Registered at 2025-9-24 9:57:44, last login at 2025-9-24 9:57:44, currently offline.
Solved 3 problems, RP: 3 (No. 17042)
By signing up a CodeFun2000 universal account, you can submit code and join discussions in all online judging services provided by us.
Using your CodeFun2000 universal account